Union Captain George Lucas Hartsuff was appointed assistant adjutant general March 22nd 1861 under the duty of General William S Rosecrans in West Virginia.
George Lucas Hartsuff was born May 28th1830 in Tyre, New York. He moved with his family in 1842 to Michigan. He received an appointment to the United States Military Academy at West Point, graduating 19th in the class of 1852. Hartsuff served in Texas and Florida and was wounded during the Seminole Indian Wars. He survived the wreck of the steamer “the Lady Elgin” on Lake Michigan in September 8th 1860, while serving at Fort Mackinac.
When the Civil War started Hartsuff was sent on an expedition in April 1861 to reinforce Fort Pickens in Pensacola, Florida. He received an appointment on March 22nd 1861 to Assistant Adjutant General under Union General William S Rosecrans in West Virginia, even briefly serving as Chief of Staff in the Mountain Department. He was promoted to Brigadier General April 15th 1862, serving in the III Corps of the Armies of Virginia and the Potomac, where he would lead men at the Battles of Cedar Mountain and Second Bull Run. He was wounded in the hip during the Battle of Antietam. With another promotion to Major General, Hartsuff was back in duty, commanding the XXIII Corps in the Army of the Ohio by May 28th 1863. At the end of the Civil War he was commanding the defenses at Bermuda Hundred in the Army of the James.
Hartsuff mustered out of the Union volunteer army and went back to service in the United States Army on August 24th 1865 with the rank of Lieutenant Colonel. Do to disabilities relating to old battle wounds he resigned his command on June 29th 1871. Hartsuff left the service with the rank of Major General. He died of pneumonia May 16th 1874 in New York City and is buried in the United States Military Academy Post Cemetery at West Point.